would have + past participle = past contrary to fact

過去のモーダルの紹介:must have、 should have、 would have、および Could have

過去のモーダル: | を持つことができます。 |を持つ可能性がありますあるかもしれない | | が必要です| が必要ですあるだろう - 文法

未来完了 & 未来完了継続 + テスト |私は生きていただろうか、それとも生きていただろうか？

未来完了: will + have + 過去分詞

Could have, should have, would have: Past Tense Modals (+Negative)

Using Would Have, Could Have, Should Have - English Grammar Lesson

PAST MODALS: COULD HAVE. SHOULD HAVE. WOULD HAVE. (In Burmese) | Zoeii English Education

will + have + 過去分詞

MODAL VERBS no passado | Past Modal Verbs (would've, could've, should've, must've, might've...)

ALL PERFECT TENSES in English - present perfect | past perfect | future perfect

The Third Conditional (If I had [past participle], I would/could/should/might...

Would + Have + Past Participle

Past Participles & How to Use Them in English

HAVE BEEN / HAS BEEN / HAD BEEN - Complete English Grammar Lesson with Examples

Future Perfect Tense | Will have + Past Participle Verb | English Grammar

Would have been in English | would have + past participle | Sai Spoken English

Como usar el modal Would y el modal perfecto Would Have - Diferencias | Clases inglés

should have/ could have/ would have + past participle

Futuro Perfecto en Inglés / Conjugaciones con Will